21128212 (number)

21128212 is an even 8-digits composite number following 21128211 and preceding 21128213. In scientific notation, it is written as 2.1128212 × 10^7. The sum of its digits is 19. It has a total of 6 prime factors and 36 positive divisors. There are 8499456 positive integers (up to 21128212) that are relatively prime to 21128212.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-eight thousand two hundred twelve

Notation

Scientific notation 2.1128212 × 10^7
Engineering notation 2.1128212 × 10^6

Prime Factorization of 21128212

Prime Factorization 2 × 2 × 49 × 17 × 17 × 373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 621418
Product of the distinct prime numbers

The prime factorization of 21128212 is 2 × 2 × 49 × 17 × 17 × 373. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21128212)

Multiplication

n×y
n×2 42256424
n×3 63384636
n×4 84512848
n×5 105641060

Division

n÷y
n÷2 10564106
n÷3 7042737.3333333
n÷3 5282053
n÷5 4225642.4

Exponentiation

ny
n2 446401342316944
n3 9.431662197557E+21
n4 1.9927415842237E+29
n5 4.2103066652694E+36

Nth Root

y√n
2√n 4596.5434839671
3√n 276.45275056539
4√n 67.797813268328
5√n 29.172426155722

Divisors of 21128212

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21128211
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21128212 can be divided by 36 positive divisors. The sum of these divisors (counting 21128212) is 1, the average is 0.027777777777778.

Base conversion 21128212

Base System Value
2 Binary 1010000100110010000010100
3 Ternary 1110202102110101
4 Quaternary 1100212100110
5 Quinary 20402100322
6 Senary 2032503444
8 Octal 120462024
10 Decimal 21128212
12 Duodecimal 70aab84
16 Hexadecimal 1426414
20 Vigesimal 6c10ac
36 Base36 ckums

Cryptographic Hash Functions

md5 a3f42275363fb53e5c25446f522c99b8
sha1 9daf0d72e4302e4b0d0cad32262f62d0f91d495e
sha256 b382e8e3f5e08a66309cfbcb5c7fbac8162e492bb02bdbaaaf543e776eb23ba4
sha512 121f36f5015bc37757dc721c0f7c81cf86a23705e0a72007d74a6927097ff3eb1f42824e2c3cf2a44e13fefdab0a9d3efcd0e12ea47563c07b0f0598425aeb88
ripemd-160 3e249be0fcec48d5bc6ed41f945aea6519f0fa39

21128212 as geometric shapes

Circle

Radius = n
Diameter 42256424
Circumference 132752471.20538
Area 1.4024111775755E+15

Sphere

Radius = n
Volume 3.9507254227981E+22
Surface area 5.6096447103021E+15
Circumference 132752471.20538

Square

Length = n
Perimeter 84512848
Area 446401342316944
Diagonal 29879803.959094

Cube

Length = n
Surface area 2678408053901664
Volume 9.431662197557E+21
Space diagonal 36595136.657086

Equilateral Triangle

Length = n
Perimeter 63384636
Area 1.9329745136497E+14
Altitude 18297568.328543

Triangular Pyramid

Length = n
Surface area 1.9329745136497E+14
Volume 1.1115320496256E+21
Height 9959934.6530313